De or het psychobiologie?

The correct Dutch article is:

de psychobiologie

Rule Words ending in -logie: always de. See the rule
Meaning (Dutch) (biologie, psychologie) onderdeel van de biologie dat de relatie tussen psyche en lichaam onderzoekt

How to use psychobiologie

the psychobiologiede psychobiologie
this psychobiologiedeze psychobiologie
that psychobiologiedie psychobiologie
our psychobiologieonze psychobiologie
your psychobiologiejouw psychobiologie
every psychobiologieelke psychobiologie
which psychobiologie?welke psychobiologie?
a big psychobiologie / the big psychobiologieeen grote psychobiologie, de grote psychobiologie

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).